binocular
adjective(bin-oc-u-lar)
of, relating to, using, or adapted to the use of both eyes
binocular
noun(bin-oc-u-lar)
a binocular optical instrument
binocular
noun(bin-oc-u-lar)
a handheld optical instrument composed of two telescopes and a focusing device and usually having prisms to increase magnifying ability —usually used in plural